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價值轉移備忘錄

TxTypeValueTransferMemo 用於用戶發送帶有特定信息的 KAIA。

導入 web3 和 @kaiachain/web3js-ext 軟件包，在 web3 上添加 kaia 功能

定義發送方、付費方地址和私人密鑰

使用指定的 kairos 測試網 URL 設置提供程序。 web3 中的提供者是訪問區塊鏈數據的只讀抽象。

此外，您還可以將提供商 URL 從 kairos 更改為 quicknode

使用 "web3.eth.accounts.privateKeyToAccount "創建帶有私鑰的發件人錢包

使用 "web3.eth.accounts.privateKeyToAccount "用私鑰創建付費者錢包

定義事務對象。

設置 `type：TxType.FeeDelegatedValueTransferMemo "，用於發送有費用支付方的備忘值轉賬交易

設置 value: toPeb("0.01") 以定義要轉換的值，使用 toPeb 將 Klay 轉換為 Peb

設置 data："0x1234567890"，以定義交易附帶的備忘值

設置其他參數，如 從、到

使用 signTransaction 在發送方賬戶上籤署交易

使用 "signTransactionAsFeePayer "以付費方賬戶簽署交易

將交易發送到區塊鏈。 它將返回交易收據

TxTypeFeeDelegatedValueTransferMemo.js

const { Web3, TxType, toPeb } = require("@kaiachain/web3js-ext");

const senderAddr = "0xa2a8854b1802d8cd5de631e690817c253d6a9153";

const senderPriv = "0x0e4ca6d38096ad99324de0dde108587e5d7c600165ae4cd6c2462c597458c2b8";

const feePayerPriv = "0x9435261ed483b6efa3886d6ad9f64c12078a0e28d8d80715c773e16fc000cff4";

const recieverAddr = "0xc40b6909eb7085590e1c26cb3becc25368e249e9";

const provider = new Web3.providers.HttpProvider("https://public-en-kairos.node.kaia.io");

const web3 = new Web3(provider);

const senderAccount = web3.eth.accounts.privateKeyToAccount(senderPriv);

const feePayerAccount = web3.eth.accounts.privateKeyToAccount(feePayerPriv);

async function main() {

const tx = {

type: TxType.FeeDelegatedValueTransferMemo,

from: senderAddr,

to: recieverAddr,

value: toPeb("0.01"),

data: "0x1234567890",

};

// Sign transaction by sender

const signResult1 = await senderAccount.signTransaction(tx);

console.log("senderTxHashRLP", signResult1.rawTransaction);

// Sign and send transaction by fee payer

const signResult2 = await feePayerAccount.signTransactionAsFeePayer(signResult1.rawTransaction);

console.log("signedTx", signResult2.transactionHash);

const receipt = await web3.eth.sendSignedTransaction(signResult2.rawTransaction);

console.log("receipt", receipt);

}

main();

output

❯ node TxTypeFeeDelegatedValueTransferMemo.js

senderTxHashRLP 0x11f88d8203b7850ba43b740082d1f694c40b6909eb7085590e1c26cb3becc25368e249e9872386f26fc1000094a2a8854b1802d8cd5de631e690817c253d6a9153851234567890f847f8458207f5a0fbd13725c0e913f564469d43e6e928514caca92ca5d5fcc18c493445d2bd3f00a065980c9c0ea0bcfa4324c23b21d45acaa8a64d1d47d45a6730774756be794e86

signedTx 0xb17d3bc44eb466cf0870926eb4b7a8e90a3ca348df1e32227ab1eaf2bd7f98c8

receipt {

blockHash: '0x51586607f9d282deede4a9325d6ecdb2abb675fca0350ac6778549f2e7bfed73',

blockNumber: 148744817n,

cumulativeGasUsed: 31500n,

effectiveGasPrice: 25000000000n,

from: '0xa2a8854b1802d8cd5de631e690817c253d6a9153',

gasUsed: 31500n,

logs: [],

logsBloom: '0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',

status: 1n,

to: '0xc40b6909eb7085590e1c26cb3becc25368e249e9',

transactionHash: '0xb17d3bc44eb466cf0870926eb4b7a8e90a3ca348df1e32227ab1eaf2bd7f98c8',

transactionIndex: 0n,

type: 0n

}